688 x 26880
688 x 26880 = 18493440
Example of 688 x 26880 pixels banner dimensions.
638 x 26930 648 x 26920 658 x 26910 668 x 26900 678 x 26890
688 x 26830 688 x 26840 688 x 26850 688 x 26860 688 x 26870
688 x 26930 688 x 26920 688 x 26910 688 x 26900 688 x 26890